## Find the greatest common factor of 11 and 12

How to find the greatest common factor of 11 and 12?

### Find the gcf of 11 and 12

Problem. Find the greatest common factor of 11 and 12.

Solution.

11 is a prime number.

See Prime numbers 1 through 20.

The prime factorization of 12

12 = 2 * 2 * 3

See 12 prime factorization.

Find the common prime factors of these two numbers 11 and 12

11 –> (11)

12 –> (2, 2, 3)

There are no common factors of 11 and 12.

The problem is solved.